90871856

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{31729}}^1$

素因数の和:31916

約数の個数: 20

約数和(自身を含む): 177053400

約数和(自身を除く): 86181544

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 31729, 63458, 126916, 253832, 507664, 5679491, 11358982, 22717964, 45435928, 90871856]

約数ペア:

[(1, 90871856), (2, 45435928), (4, 22717964), (8, 11358982), (16, 5679491), (179, 507664), (358, 253832), (716, 126916), (1432, 63458), (2864, 31729)]